Senior Support Engineer

20+ Senior Support Engineer Interview Questions and Answers

Updated 24 Dec 2024
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Q1. 1. How you would troubleshoot a process hanging? 2. How would you troubleshoot slow system performance? 3. Network latency issue? 4.Cluster failover issue? 4. Application unable to start issue? 5. Last time you...

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Ans.

Troubleshooting various technical issues in a support role

  • For a process hanging, check the system logs and identify the process causing the issue. Use tools like strace or lsof to identify the root cause.

  • For slow system performance, check CPU, memory, and disk usage. Use tools like top, iostat, and vmstat to identify the bottleneck.

  • For network latency issues, use tools like ping, traceroute, and tcpdump to identify the source of the latency.

  • For cluster failover issues, check ...read more

Q2. Difference between git and Mercurial, How do you resolve merge conflicts, How do you start services in Linux/Windows, Java thread dump, heap dump, deadlock

Ans.

Answering questions on Git, Mercurial, Linux/Windows services, Java thread dump, heap dump, and deadlock

  • Git and Mercurial are both version control systems, but Git is more popular and has a steeper learning curve

  • Merge conflicts occur when two or more people make changes to the same file at the same time, and can be resolved using tools like Git's merge tool or Mercurial's merge tool

  • Starting services in Linux can be done using the systemctl command, while in Windows it can be ...read more

Q3. What is your daily task ? What is inode no. ? What is symlink and hardlink ? What is the use of SSH and its configuration file ? How to reset root password ? how to troubleshoot if Apache web server is working...

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Ans.

Answering questions related to daily tasks, inode, symlink, hardlink, SSH, root password reset, Apache troubleshooting, software installation, Linux VM configuration, port checking and changing, and monitoring tools.

  • Daily tasks may include troubleshooting technical issues, providing support to customers, and maintaining systems.

  • Inode is a data structure in a Unix-like file system that stores metadata about a file.

  • Symlink is a shortcut to a file or directory, while hardlink is...read more

Q4. ATG , How to handle switching between one Shipping Method to another Shipping Method during the Checkout process?

Ans.

To switch between shipping methods in ATG during checkout, update the shipping group with the new method.

  • Update the shipping group with the new shipping method

  • Use the CommerceItemManager to update the shipping method for the CommerceItem

  • Ensure the new shipping method is available for the user to select during checkout

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Q5. what are troubleshooting steps for network

Ans.

Troubleshooting steps for network issues

  • Check physical connections (cables, ports)

  • Verify network settings (IP address, subnet mask)

  • Restart networking devices (modem, router)

  • Run network diagnostics tools (ping, traceroute)

  • Check for software conflicts or firewall issues

Q6. Explain the working principle of firewall & Router.

Ans.

Firewall filters network traffic based on predefined security rules, while router forwards data packets between computer networks.

  • Firewall acts as a barrier between internal network and external network, filtering incoming and outgoing traffic based on security rules.

  • Router forwards data packets between different computer networks, determining the best path for the packets to reach their destination.

  • Firewall can block specific ports or IP addresses to prevent unauthorized acc...read more

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Q7. what are the types of lookup tables

Ans.

Types of lookup tables include direct mapping, associative arrays, and hash tables.

  • Direct mapping: uses a key to directly access the corresponding value in the table

  • Associative arrays: store key-value pairs where keys are unique

  • Hash tables: use a hash function to map keys to values for efficient retrieval

Q8. what is vpc and why it is needed

Ans.

VPC stands for Virtual Private Cloud, it is needed to securely isolate resources within the cloud environment.

  • VPC allows you to create a private network in the cloud.

  • It provides control over network settings such as IP address range, subnets, route tables, and network gateways.

  • VPC helps in securing resources by setting up security groups and network access control lists.

  • It enables you to connect your on-premises network to the cloud using VPN or Direct Connect.

  • VPC is essentia...read more

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Q9. Migration of projects from server to cloud

Ans.

Migration of projects from server to cloud involves planning, testing, and executing the transfer of data and applications.

  • Assess the current server setup and identify all projects and data to be migrated

  • Choose a suitable cloud provider and plan the migration process

  • Test the migration process with a small project before moving larger ones

  • Ensure data security and compliance during the migration

  • Update any necessary configurations and settings post-migration

Q10. How can we iterate files in ssis

Ans.

Files in SSIS can be iterated using Foreach Loop Container or Script Task.

  • Use Foreach Loop Container to iterate through a list of files in a specified directory.

  • Set the Enumerator type to 'Foreach File Enumerator' and configure the necessary properties like file extension, file path, etc.

  • Alternatively, use a Script Task to programmatically iterate through files and perform custom actions.

Q11. Experience on any network Monitoring tool.

Ans.

Yes, I have experience with the network monitoring tool SolarWinds.

  • Experience with setting up alerts and notifications

  • Ability to monitor network performance and troubleshoot issues

  • Familiarity with creating custom dashboards and reports

Q12. WHAT DO YOU KNOW ABOUT GSK?

Ans.

GSK is a multinational pharmaceutical company known for its research and development of innovative medicines and vaccines.

  • GSK stands for GlaxoSmithKline

  • It is one of the largest pharmaceutical companies in the world

  • GSK focuses on research and development of medicines, vaccines, and consumer healthcare products

  • Some well-known products from GSK include Advair, Sensodyne, and Panadol

Q13. what is IAM and policies

Ans.

IAM stands for Identity and Access Management. Policies are rules that determine who has access to what resources.

  • IAM is a framework for managing digital identities and controlling access to resources

  • IAM policies are rules that define the permissions and access levels for different users or groups

  • IAM policies can be attached to users, groups, or resources to control access

  • IAM helps organizations ensure that only authorized individuals have access to their systems and data

Q14. what is load balancer

Ans.

A load balancer is a device or software that distributes network or application traffic across multiple servers to ensure no single server is overwhelmed.

  • Balances traffic across multiple servers

  • Improves performance and reliability

  • Can be hardware or software based

  • Examples: F5 BIG-IP, NGINX, HAProxy

Q15. what is a stack?

Ans.

A stack is a data structure that follows the Last In, First Out (LIFO) principle, where elements are added and removed from the top.

  • Elements are added to the top of the stack and removed from the top as well

  • Common operations on a stack include push (add element) and pop (remove element)

  • Examples of stacks include the call stack in programming and a stack of plates

Q16. What is checkpoint in ssis

Ans.

Checkpoint in SSIS is a feature that allows packages to restart from a specific point in case of failure.

  • Checkpoints are used to save the state of the package at specific points during execution.

  • They help in resuming package execution from the last successful checkpoint in case of failure.

  • Checkpoints can be configured at the package level or at the task level.

  • They are useful in scenarios where long-running packages need to be restarted without re-executing the entire process.

Q17. what is DNS server

Ans.

DNS server is a system that translates domain names to IP addresses, allowing users to access websites using human-readable names.

  • DNS servers store a database of domain names and their corresponding IP addresses.

  • When a user enters a domain name in a web browser, the DNS server is queried to find the corresponding IP address.

  • DNS servers help in the efficient routing of internet traffic by translating domain names to IP addresses.

  • Examples of popular DNS servers include Google D...read more

Q18. Jira project configuration

Ans.

Jira project configuration involves setting up workflows, issue types, fields, permissions, and notifications.

  • Define issue types (e.g. bug, task, story)

  • Create custom fields to capture specific information

  • Set up workflows to define the lifecycle of an issue

  • Configure permissions to control who can view and edit issues

  • Manage notifications to keep stakeholders informed

Q19. Synchronized block explain?

Ans.

Synchronized block is used in Java to control access to critical sections of code by allowing only one thread to execute the block at a time.

  • Synchronized block is used with the 'synchronized' keyword in Java.

  • It can be used to synchronize access to shared resources to prevent race conditions.

  • Example: synchronized(this) { // critical section code }

Q20. Explain about ssis expressions

Ans.

SSIS expressions are used to dynamically set property values at runtime in SQL Server Integration Services packages.

  • SSIS expressions are written using a combination of functions, operators, and constants.

  • Expressions can be used to set properties such as connection strings, file paths, and SQL queries.

  • Expressions can be used to make packages more flexible and reusable.

  • For example, an expression can be used to dynamically set the file path for a file connection manager based on...read more

Q21. API process and its utility

Ans.

API process is a set of rules and protocols used to create and integrate software applications.

  • API process allows different software applications to communicate with each other and share data.

  • It helps in creating a seamless integration between different systems.

  • API process can be used to automate tasks and improve efficiency.

  • Examples of APIs include Google Maps API, Twitter API, and Facebook API.

Q22. Teams sign in flow

Ans.

The sign-in flow for Teams involves entering email address, password, and two-factor authentication if enabled.

  • Enter email address

  • Enter password

  • Enter two-factor authentication code if enabled

  • Click on 'Sign In' button

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